1 files changed, 6 insertions, 2 deletions
diff --git a/param.ccl b/param.ccl
index 33b5fba..7a801d9 100755
--- a/param.ccl
+++ b/param.ccl
@@ -2,7 +2,12 @@
 
 restricted:
 
-int timelevels "Number of time levels in evolution scheme"
+KEYWORD evolution_method "The hydro evolution method"
+{
+  "none" :: "hydro variables are not evolved"
+} "none"
+
+INT timelevels "Number of time levels in evolution scheme"
 {
   1:3 :: "FMR/AMR runs probably need 3. Otherwise use 2"
 } 1
@@ -13,4 +18,3 @@ STRING prolongation_type "The prolongation operator used by Carpet for HydroBase
   "WENO" :: "Fifth order WENO operators; only fifth order is implemented"
   ".*"   :: "Anything else"
 } "ENO"
-